Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Sanguessuga surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 5 pm Tuesday 16 Dec 2025 WETForecast update in hr min s Forecast update imminent
Sanguessuga surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sanguessuga sea temperature is
16.6° C
(Which is normal for this time of year)How big are the waves at Sanguessuga today?
The current surf forecast for Sanguessuga at 9PM is: 5.0m 14s primary swell from a Northwest direction (forecast issued at 05:00pm December 16). The wind direction is predicted to be cross-shore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 18ft (5.5m) | 13s |
| Evening (16 Dec) | 16ft (5.0m) | 14s |
Table - waves today at Sanguessuga. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 23 | 21 | 20 | 19 | 19 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10196 | 10179 | 9563 | 7579 | 5799 | 4641 | 3692 | 3172 | 2678 | 2231 | 1939 | 1674 | 1453 | 1430 | 4216 | 12875 | 14196 | 14034 | 13453 | 10947 | 11977 | 9314 | 9273 | 8686 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | glass | cross- off | cross- off | cross- off | cross | cross- on | cross | cross | cross | cross | on | cross | cross |
High Tide / height (m) | 12:15PM 2.80 | 12:39AM 2.93 | 12:57PM 2.85 | 1:17AM 3.02 | 1:36PM 2.89 | 1:53AM 3.10 | ||||||||||||||||||
Low Tide / height (m) | 6:21PM 1.13 | 6:48AM 1.13 | 6:57PM 1.07 | 7:25AM 1.04 | 7:32PM 1.03 | 8:01AM 0.97 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - |
| Sunset | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - |
 |  |  |  | | | |  | | | | | | | | | | | | |  | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - |
| Temp. °C | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 16 | 14 | 14 | 14 | 13 | 14 | 13 | 13 |
| Feels °C (?) | 5 | 4 | 5 | 6 | 7 | 7 | 7 | 10 | 11 | 11 | 12 | 12 | 11 | 11 | 10 | 11 | 13 | 12 | 12 | 12 | 10 | 14 | 10 | 9 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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